{"id":8223,"date":"2025-11-27T15:33:32","date_gmt":"2025-11-27T07:33:32","guid":{"rendered":"https:\/\/www.packqc.com\/?p=8223"},"modified":"2025-11-27T15:34:06","modified_gmt":"2025-11-27T07:34:06","slug":"film-free-shrink-test-astm-d2732-for-plastic-film-quality","status":"publish","type":"post","link":"https:\/\/www.packqc.com\/lt\/film-free-shrink-test-astm-d2732-for-plastic-film-quality\/","title":{"rendered":"Atliekant pl\u0117vel\u0117s susitraukimo be pl\u0117vel\u0117s bandym\u0105 vertinama plastikini\u0173 pl\u0117veli\u0173 \u0161ilumin\u0117 susitraukimo savyb\u0117, kad b\u016bt\u0173 galima kontroliuoti kokyb\u0119."},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"8223\" class=\"elementor elementor-8223\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8ec5ed6 e-flex e-con-boxed e-con e-parent\" data-id=\"8ec5ed6\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bcc0005 elementor-widget elementor-widget-heading\" data-id=\"bcc0005\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Atliekant pl\u0117vel\u0117s susitraukimo bandym\u0105 vertinamas plastikini\u0173 pl\u0117veli\u0173 \u0161iluminis susitraukimas kokyb\u0117s kontrol\u0117s tikslais.<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4ef2393 e-flex e-con-boxed e-con e-parent\" data-id=\"4ef2393\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3338aa2 elementor-widget elementor-widget-heading\" data-id=\"3338aa2\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Pl\u0117vel\u0117s be pl\u0117vel\u0117s susitraukimo bandymas, skirtas tiksliam terminio susitraukimo \u012fvertinimui<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a769559 e-flex e-con-boxed e-con e-parent\" data-id=\"a769559\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-26a12fb elementor-widget elementor-widget-text-editor\" data-id=\"26a12fb\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Plastikini\u0173 pl\u0117veli\u0173 gamintojai pasikliauja <strong data-start=\"593\" data-end=\"618\">susitraukimo be pl\u0117vel\u0117s bandymas<\/strong> suprasti, kaip med\u017eiagos elgiasi veikiamos kar\u0161\u010dio. \u0160is bandymas atskleid\u017eia vidinius \u012ftempius, matmen\u0173 stabilum\u0105 ir proceso kokyb\u0119, kurie yra labai svarb\u016bs maisto, farmacijos ir pramonin\u0117ms pakuot\u0117ms. Kadangi susitraukimas turi tiesiogin\u0117s \u012ftakos sandarinimui, \u017eenklinimo tikslumui ir pakuot\u0117s i\u0161vaizdai, kokyb\u0117s komandos turi taikyti nuosekl\u0173 vertinimo metod\u0105, kad u\u017etikrint\u0173 stabili\u0105 gamyb\u0105 ir patikim\u0105 pl\u0117vel\u0117s veikim\u0105.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4354a8d e-flex e-con-boxed e-con e-parent\" data-id=\"4354a8d\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1acecea elementor-widget elementor-widget-text-editor\" data-id=\"1acecea\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 data-start=\"1049\" data-end=\"1109\"><strong data-start=\"1052\" data-end=\"1109\">Sandarumo be pl\u0117vel\u0117s bandym\u0173 pagal ASTM D2732 ap\u017evalga<\/strong><\/h2><p data-start=\"1111\" data-end=\"1598\">Pla\u010diai remiamasi <strong data-start=\"1133\" data-end=\"1147\">ASTM D2732<\/strong> standarte pateikiamos i\u0161samios rekomendacijos, kaip nustatyti nesuvar\u017eyt\u0105 linijin\u012f termin\u012f susitraukim\u0105 pl\u0117vel\u0117se iki 0,76 mm. Jame paai\u0161kinama, kaip kaitinant gali i\u0161siskirti vidiniai \u012ftempiai ir kod\u0117l skirtingos dervos strukt\u016bros ar apdorojimo metodai lemia skirting\u0105 susitraukimo lyg\u012f. Bandydami pl\u0117vel\u0117s susitraukim\u0105 skirtingose temperat\u016brose, gamintojai gali nustatyti susitraukimo profil\u012f, kuris padeda parinkti med\u017eiag\u0105, optimizuoti proces\u0105 ir u\u017etikrinti ilgalaik\u0119 kokyb\u0119.<\/p><p data-start=\"1600\" data-end=\"1656\">\u0160iame standarte pabr\u0117\u017eiami keli svarb\u016bs principai:<\/p><ul><li data-start=\"1659\" data-end=\"1742\">Susitraukimo temperat\u016bra glaud\u017eiai susijusi su dervos tipu ir gamybos s\u0105lygomis.<\/li><li data-start=\"1745\" data-end=\"1806\">Esant auk\u0161tesnei temperat\u016brai, susitraukimo vert\u0117s paprastai b\u016bna didesn\u0117s.<\/li><li data-start=\"1809\" data-end=\"1928\">Kai pl\u0117vel\u0117 apib\u016bdinama, \u012fprastin\u0119 kokyb\u0117s kontrol\u0119 galima atlikti vienoje tipin\u0117je temperat\u016broje.<\/li><\/ul><p data-start=\"1930\" data-end=\"2007\">\u0160ie punktai padeda naudotojams sukurti pakartojam\u0105 ir techni\u0161kai patikim\u0105 darbo eig\u0105.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-180ffef e-flex e-con-boxed e-con e-parent\" data-id=\"180ffef\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a62c598 elementor-widget elementor-widget-text-editor\" data-id=\"a62c598\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 data-start=\"2014\" data-end=\"2084\"><strong data-start=\"2017\" data-end=\"2084\">Kod\u0117l pl\u0117vel\u0117s nesusitraukimo bandymas svarbus pakuo\u010di\u0173 naudojimui<\/strong><\/h2><p data-start=\"2086\" data-end=\"2163\">The <strong data-start=\"2090\" data-end=\"2115\">susitraukimo be pl\u0117vel\u0117s bandymas<\/strong> padeda siekti keli\u0173 su pakavimu susijusi\u0173 tiksl\u0173:<\/p><p data-start=\"2165\" data-end=\"2385\"><strong data-start=\"2165\" data-end=\"2209\">1. Kokyb\u0117s kontrol\u0117 ir proceso stabilumas<\/strong><br data-start=\"2209\" data-end=\"2212\" \/>Gamybos linijoms reikia, kad pl\u0117vel\u0117 sandarinimo ir susitraukimo metu elgt\u0173si vienodai. Bandymai padeda aptikti ekstruzijos s\u0105lyg\u0173, derv\u0173 mi\u0161ini\u0173 ar orientavimo proces\u0173 skirtumus.<\/p><p data-start=\"2387\" data-end=\"2567\"><strong data-start=\"2387\" data-end=\"2419\">2. Med\u017eiagos apib\u016bdinimas<\/strong><br data-start=\"2419\" data-end=\"2422\" \/>Pl\u0117veli\u0173 gamintojai stebi \u012fvairi\u0173 temperat\u016br\u0173 na\u0161um\u0105, kad suprast\u0173 susitraukimo tendencijas. \u0160ia informacija vadovaujamasi renkantis derv\u0105 ir pl\u0117vel\u0117s sud\u0117t\u012f.<\/p><p data-start=\"2569\" data-end=\"2781\"><strong data-start=\"2569\" data-end=\"2612\">3. Pakuot\u0117s veikimas ir i\u0161vaizda<\/strong><br data-start=\"2612\" data-end=\"2615\" \/>Apvyniojant \u012f susitraukian\u010di\u0105 pl\u0117vel\u0119, \u017eenklinant ir naudojant tampriai matomus gaminius reikia nusp\u0117jamo susitraukimo lygio. Net ir nedideli nukrypimai gali sukelti rauk\u0161les, i\u0161kraipymus ar sandarinimo pa\u017eeidimus.<\/p><p data-start=\"2783\" data-end=\"2964\"><strong data-start=\"2783\" data-end=\"2824\">4. Teis\u0117s akt\u0173 ir tiek\u0117j\u0173 atitikties u\u017etikrinimas<\/strong><br data-start=\"2824\" data-end=\"2827\" \/>Prek\u0117s \u017eenklai ir perdirb\u0117jai naudoja susitraukimo duomenis, kad patikrint\u0173 gaunamas med\u017eiagas ir u\u017etikrint\u0173, jog pakuot\u0117s atitinka specifikacijas ir pramon\u0117s l\u016bkes\u010dius.<\/p><p data-start=\"2966\" data-end=\"3105\">Kadangi pakavimo pl\u0117vel\u0117s turi patikimai veikti automatin\u0117se linijose, susitraukimo bandymai tapo esminiu med\u017eiagos elgesio rodikliu.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-44ef5a9 e-flex e-con-boxed e-con e-parent\" data-id=\"44ef5a9\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-84da03a elementor-widget elementor-widget-text-editor\" data-id=\"84da03a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 data-start=\"3112\" data-end=\"3178\"><strong data-start=\"3115\" data-end=\"3178\">Bandymo proced\u016bra ir pagrindiniai nesusitraukian\u010dios pl\u0117vel\u0117s vertinimo etapai<\/strong><\/h2><p data-start=\"3180\" data-end=\"3307\">Atlikti patikim\u0105 <strong data-start=\"3202\" data-end=\"3227\">susitraukimo be pl\u0117vel\u0117s bandymas<\/strong> reikia nuosekliai ruo\u0161ti, kontroliuoti temperat\u016br\u0105 ir tiksliai matuoti.<\/p><h3 data-start=\"3309\" data-end=\"3339\"><strong data-start=\"3313\" data-end=\"3337\">Bandini\u0173 paruo\u0161imas<\/strong><\/h3><p data-start=\"3340\" data-end=\"3616\">Pl\u0117vel\u0117s supjaustomos \u012f 100 \u00d7 100 mm dyd\u017eio bandinius. Pa\u017eym\u0117jus ma\u0161inos krypt\u012f, galima teisingai \u012fvertinti i\u0161ilgin\u012f ir skersin\u012f susitraukim\u0105. Kondicionavimas u\u017etikrina bandini\u0173 ir laboratorijos s\u0105lyg\u0173 pusiausvyr\u0105, suma\u017eindamas paklaidas, atsirandan\u010dias d\u0117l dr\u0117gm\u0117s ar temperat\u016bros svyravim\u0173.<\/p><h3 data-start=\"3618\" data-end=\"3654\"><strong data-start=\"3622\" data-end=\"3652\">Kontroliuojamas \u0161ildymo procesas<\/strong><\/h3><p data-start=\"3655\" data-end=\"3937\">Naudojama pastovios temperat\u016bros skys\u010dio vonia, \u012fkaitinta iki pasirinktos bandymo temperat\u016bros. Tinkama terp\u0117 yra glicerinas, vanduo arba polietilenglikolis, kaip rekomenduojama pagal ASTM D2732. M\u0117giniai paliekami <strong data-start=\"3855\" data-end=\"3877\">nemokamas susitraukimo laikiklis<\/strong>, kuri neleid\u017eia plaukti, bet leid\u017eia nevar\u017eomai susitraukti.<\/p><h3 data-start=\"3939\" data-end=\"3970\"><strong data-start=\"3943\" data-end=\"3968\">Panardinimas ir au\u0161inimas<\/strong><\/h3><p data-start=\"3971\" data-end=\"4279\">Bandinys panardinamas ma\u017edaug 10 sekund\u017ei\u0173 arba tol, kol \u012fvyksta did\u017eiausias susitraukimas. Pernelyg intensyvus elgesys ar kaitinimas vir\u0161 vonel\u0117s gali sukelti prie\u0161laikin\u012f susitraukim\u0105, tod\u0117l operatoriai turi tiksliai laikytis \u0161ios proced\u016bros. Po kaitinimo bandinys greitai at\u0161aldomas suderinamoje terp\u0117je, kad stabilizuot\u0173si jo galutiniai matmenys.<\/p><h3 data-start=\"4281\" data-end=\"4318\"><strong data-start=\"4285\" data-end=\"4316\">Matavimas ir skai\u010diavimas<\/strong><\/h3><p data-start=\"4319\" data-end=\"4561\">Susitraukimas apskai\u010diuojamas lyginant pradin\u012f 100 mm ilg\u012f su galutiniu ilgiu po kaitinimo. Atskiros vert\u0117s registruojamos ma\u0161inos ir skersine kryptimis. Rezultatai padeda nustatyti, ar pl\u0117vel\u0117 atitinka technines specifikacijas.<\/p><p data-start=\"4563\" data-end=\"4709\">\u0160ie veiksmai u\u017etikrina ai\u0161ki\u0105 ir pakartojam\u0105 darbo eig\u0105, tinkan\u010di\u0105 gamybos aplinkai, mokslini\u0173 tyrim\u0173 laboratorijoms ir gaunam\u0173 med\u017eiag\u0173 patikrai.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1aca67c e-flex e-con-boxed e-con e-parent\" data-id=\"1aca67c\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-55260e6 elementor-widget elementor-widget-text-editor\" data-id=\"55260e6\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 data-start=\"4716\" data-end=\"4761\"><strong data-start=\"4719\" data-end=\"4761\">Veiksniai, darantys \u012ftak\u0105 pl\u0117vel\u0117s susitraukimo elgsenai<\/strong><\/h2><p data-start=\"4763\" data-end=\"4832\">Pl\u0117vel\u0117s nesusitraukimo bandymo rezultatams turi \u012ftakos keli kintamieji:<\/p><ul><li data-start=\"4836\" data-end=\"4878\"><strong data-start=\"4836\" data-end=\"4876\">Dervos tipas ir molekulin\u0117 orientacija<\/strong><\/li><li data-start=\"4881\" data-end=\"4922\"><strong data-start=\"4881\" data-end=\"4920\">Ekstruzijos ir tempimo s\u0105lygos<\/strong><\/li><li data-start=\"4925\" data-end=\"4964\"><strong data-start=\"4925\" data-end=\"4962\">Au\u0161inimo greitis gamybos metu<\/strong><\/li><li data-start=\"4967\" data-end=\"5007\"><strong data-start=\"4967\" data-end=\"5005\">Priedai arba daugiasluoksn\u0117s strukt\u016bros<\/strong><\/li><li data-start=\"5008\" data-end=\"5067\"><p data-start=\"5010\" data-end=\"5067\"><strong data-start=\"5010\" data-end=\"5065\">Storio kitimas arba vidini\u0173 \u012ftempi\u0173 pasiskirstymas<\/strong><\/p><\/li><\/ul><p data-start=\"5069\" data-end=\"5210\">Suprasdami \u0161iuos veiksnius, in\u017einieriai gali tiksliau interpretuoti bandym\u0173 rezultatus ir patobulinti proceso nustatymus ar med\u017eiag\u0173 recept\u016bras.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-da5ab02 e-flex e-con-boxed e-con e-parent\" data-id=\"da5ab02\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-dbfb2a7 elementor-widget elementor-widget-image\" data-id=\"dbfb2a7\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.packqc.com\/lt\/product\/fst-01-film-shrinkage-tester\/\" target=\"_blank\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/www.packqc.com\/wp-content\/uploads\/2025\/11\/Film-Free-Shrink-Test-ASTM-D2732-for-Plastic-Film-Quality.webp\" class=\"attachment-large size-large wp-image-8228\" alt=\"Pl\u0117vel\u0117s be susitraukimo bandymas ASTM D2732 plastikin\u0117s pl\u0117vel\u0117s kokybei nustatyti\" srcset=\"https:\/\/www.packqc.com\/wp-content\/uploads\/2025\/11\/Film-Free-Shrink-Test-ASTM-D2732-for-Plastic-Film-Quality.webp 600w, https:\/\/www.packqc.com\/wp-content\/uploads\/2025\/11\/Film-Free-Shrink-Test-ASTM-D2732-for-Plastic-Film-Quality-300x300.webp 300w, https:\/\/www.packqc.com\/wp-content\/uploads\/2025\/11\/Film-Free-Shrink-Test-ASTM-D2732-for-Plastic-Film-Quality-100x100.webp 100w, https:\/\/www.packqc.com\/wp-content\/uploads\/2025\/11\/Film-Free-Shrink-Test-ASTM-D2732-for-Plastic-Film-Quality-150x150.webp 150w, https:\/\/www.packqc.com\/wp-content\/uploads\/2025\/11\/Film-Free-Shrink-Test-ASTM-D2732-for-Plastic-Film-Quality-12x12.webp 12w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-96e52d8 e-flex e-con-boxed e-con e-parent\" data-id=\"96e52d8\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fef3d13 elementor-widget elementor-widget-text-editor\" data-id=\"fef3d13\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 data-start=\"5217\" data-end=\"5280\"><strong data-start=\"5220\" data-end=\"5280\">Patikimos \u012frangos, skirtos bandymams su nesusitraukian\u010dia pl\u0117vele, pasirinkimas<\/strong><\/h2><p data-start=\"5282\" data-end=\"5649\">Norint gauti patikimus tyrimo rezultatus, b\u016btina naudoti tiksli\u0105 ir stabili\u0105 matavimo \u012frang\u0105. <strong data-start=\"5378\" data-end=\"5398\">L\u0105steli\u0173 instrumentai<\/strong> si\u016blo pa\u017eangius pl\u0117vel\u0117s nesusitraukimo testerius, pasi\u017eymin\u010dius tikslia temperat\u016bros kontrole, tolygiu vonel\u0117s kaitinimu ir stabiliais bandini\u0173 laikikliais. \u0160ios savyb\u0117s leid\u017eia kokyb\u0117s komandoms gauti atkuriamus rezultatus, atitinkan\u010dius ASTM D2732 standarto reikalavimus.<\/p><p data-start=\"5651\" data-end=\"5700\">Gerai suprojektuota sistema turi kelet\u0105 privalum\u0173:<\/p><ul><li data-start=\"5704\" data-end=\"5738\">Greitesnis temperat\u016bros stabilizavimas<\/li><li data-start=\"5741\" data-end=\"5780\">Geresnis partij\u0173 pakartojamumas<\/li><li data-start=\"5783\" data-end=\"5819\">Saugesnis ir labiau kontroliuojamas valdymas<\/li><li data-start=\"5822\" data-end=\"5871\">Daugelio bandini\u0173 galimyb\u0117, siekiant didesnio efektyvumo<\/li><li data-start=\"5874\" data-end=\"5917\">Automatinis laiko skai\u010diavimas ir skaitmeninis duomen\u0173 rodymas<\/li><\/ul><p data-start=\"5919\" data-end=\"6081\">Gamintojams, ie\u0161kantiems patikim\u0173 susitraukimo \u012fvertinimo priemoni\u0173, skirtas Cell Instruments testeris padeda u\u017etikrinti nuosekli\u0105 kokyb\u0117s kontrol\u0119 ir optimizuoti procesus.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d0d81e0 e-flex e-con-boxed e-con e-parent\" data-id=\"d0d81e0\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c0152e7 elementor-widget elementor-widget-text-editor\" data-id=\"c0152e7\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 data-start=\"6088\" data-end=\"6105\"><strong data-start=\"6091\" data-end=\"6105\">I\u0161vada<\/strong><\/h2><p data-start=\"6107\" data-end=\"6611\">The <strong data-start=\"6111\" data-end=\"6136\">susitraukimo be pl\u0117vel\u0117s bandymas<\/strong> atlieka labai svarb\u0173 vaidmen\u012f siekiant suprasti terminio susitraukimo elgsen\u0105, u\u017etikrinti pl\u0117vel\u0117s stabilum\u0105 ir i\u0161laikyti pakuo\u010di\u0173 na\u0161um\u0105. Standartai, pvz. <strong data-start=\"6286\" data-end=\"6300\">ASTM D2732<\/strong> si\u016blo strukt\u016brizuot\u0105, patikim\u0105 bandym\u0173 sistem\u0105, kuri padeda atsekti ir pakartoti rezultatus visose laboratorijose ir gamybos linijose. Derindami tinkamas bandym\u0173 proced\u016bras su tiksliomis priemon\u0117mis, pakavimo in\u017einieriai ir kokyb\u0117s komandos gali u\u017etikrintai steb\u0117ti susitraukimo tendencijas ir didinti med\u017eiag\u0173 patikimum\u0105.<\/p><p data-start=\"6613\" data-end=\"6811\"><strong data-start=\"6613\" data-end=\"6633\">L\u0105steli\u0173 instrumentai<\/strong> teikia profesionalius pl\u0117vel\u0117s nesusitraukimo bandym\u0173 sprendimus, kurie padeda gamintojams priimti pagr\u012fstus sprendimus, padidinti produkt\u0173 nuoseklum\u0105 ir i\u0161laikyti auk\u0161t\u0105 pakuo\u010di\u0173 kokyb\u0119.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>The film free shrink test evaluates thermal shrinkage behavior of plastic films for quality control Film Free Shrink Test for Accurate Thermal Shrinkage Evaluation Plastic film manufacturers rely on the film free shrink test to understand how materials behave when exposed to heat. This test reveals internal stresses, dimensional stability, and process quality, which are [&hellip;]<\/p>","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-8223","post","type-post","status-publish","format-standard","hentry","category-blog"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/posts\/8223","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/comments?post=8223"}],"version-history":[{"count":0,"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/posts\/8223\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/media?parent=8223"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/categories?post=8223"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/tags?post=8223"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}